#include<iostream>
using namespace std;

int main(int argc,char* argv[],char* env[])//可以拿到命令行参数
{
  cout<<argv[0]<<" begin running"<<endl;
  cout<<"这是命令行参数：\n";
  for(int i=0;argv[i];++i){
    cout<<i<<":"<<argv[i]<<endl;
  }
  cout<<"这是环境变量信息：\n";
  for(int i=0;env[i];++i){
    cout<<i<<":"<<env[i]<<endl;
  }
  cout<<argv[0]<<" stop running"<<endl;

  return 0;
}
